Jean Dujardin

'Age of Ultron' packs in even more Avengers heroes

'Avengers: Age of Ultron'

Marvel's Avengers: Age of Ultron

Walt Disney, $29.99; Blu-ray, $39.99

Available on VOD Oct. 2

After proving he could effectively juggle half a dozen heroes in 2012's "The Avengers," writer-director Joss Whedon drops even more characters into this blockbuster sequel. Following up on previous Marvel movies' offhanded critiques of well-meaning but reckless militarization, the new film has the super-team fighting against a sentient computer originally created by Tony "Iron Man" Stark to identify and squash threats to global security. Partly an action-packed war movie with costumed heroes and partly a spirited debate over modern security-state, "Age...